87448240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2311}}^1$

素因数の和:2378

約数の個数: 80

約数和(自身を含む): 227056896

約数和(自身を除く): 139608656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2311, 2365, 3440, 3784, 4622, 4730, 7568, 9244, 9460, 11555, 18488, 18920, 23110, 25421, 36976, 37840, 46220, 50842, 92440, 99373, 101684, 127105, 184880, 198746, 203368, 254210, 397492, 406736, 496865, 508420, 794984, 993730, 1016840, 1093103, 1589968, 1987460, 2033680, 2186206, 3974920, 4372412, 5465515, 7949840, 8744824, 10931030, 17489648, 21862060, 43724120, 87448240]

約数ペア:

[(1, 87448240), (2, 43724120), (4, 21862060), (5, 17489648), (8, 10931030), (10, 8744824), (11, 7949840), (16, 5465515), (20, 4372412), (22, 3974920), (40, 2186206), (43, 2033680), (44, 1987460), (55, 1589968), (80, 1093103), (86, 1016840), (88, 993730), (110, 794984), (172, 508420), (176, 496865), (215, 406736), (220, 397492), (344, 254210), (430, 203368), (440, 198746), (473, 184880), (688, 127105), (860, 101684), (880, 99373), (946, 92440), (1720, 50842), (1892, 46220), (2311, 37840), (2365, 36976), (3440, 25421), (3784, 23110), (4622, 18920), (4730, 18488), (7568, 11555), (9244, 9460)]